SPECIFICATIONS:

This telephoto zoom lens has a large constant maximum aperture of f2.8 through the zoom range and it is optimised for digital SLR cameras.

• Close-up Photography
  This large aperture telephoto zoom lens has a minimum focusing distance of 100cm (39.4”) throughout the entire zoom range, making it very convenient for close-up photography. It maintains a greater working distance that enables you to capture the small animals and insects without disturbing them.
• SLD and ELD Glass Elements
  This lens uses two ELD (Extraordinary Low Dispersion) glass elements and three SLD (Special Low Dispersion) elements for utmost correction against chromatic aberrations. High image quality is assured throughout the entire zoom range.
• HSM (Hyper Sonic Motor) for silent and fast auto - focus
  The HSM provides quiet high-speed AF function, as well as full time manual focus capability.
• Inner focusing and inner zooming systems
  This lens incorporates an inner focusing system, which eliminates front lens rotation, allowing the use of a petal-type hood and more convenient to use of circular polarizing filter. Since focusing and zooming do not change its overall length, this lens is easy to hold and use. This lens comes with detachable tripod mount.
• APO Tele-Converter EX (optional)
  The lens can be used with the 1.4x EX or 2.0x EX Apo Tele Converters (optional), becoming a 98-280mm F4 telephoto zoom lens or a 140-400mm F5.6 telephoto zoom lens respectively. It is also possible to use AE (Automatic Exposure) function, when EX Tele-converters are attached.
  

• Lens Construction 18 Elements in 15 Groups
  
• Angle of View 34.3 - 12.3 degrees
  
• Number of Diaphragm Blades 9 Blades
  
• Minimum Aperture F22
  
• Minimum Focusing Distance 100cm
  
• Maximum Magnification 1:3.5
  
• Filter Size 77mm
  
• Dimensions Diameter 86.6mm X Length 184mm
  
• Weight 1345g
  
  

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